CN217519070U

CN217519070U - Sliding block

Info

Publication number: CN217519070U
Application number: CN202121800892.5U
Authority: CN
Inventors: 黄日荣
Original assignee: Zhejiang Huayu Automation Co ltd
Current assignee: Zhejiang Huayu Automation Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-09-30
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to a slide block, which comprises a slide block main body, wherein an axial through groove is arranged on the slide block main body, and two side surfaces of the axial through groove form an axially extending ball slideway; the sliding block main body is provided with sliding block side columns at two sides of the axial through groove, axial through holes parallel to the ball slide ways are formed in the sliding block side columns, the two axial ends of the sliding block main body are sequentially provided with an outer circulator and an oil scraping sheet, and the outer circulator and the end faces of the two axial ends of the sliding block main body are in close fit; the slider further comprises an internal circulator: the outer circulator is embedded between the outer circulator and the sliding block main body and is provided with a transition incurve, the transition incurve matched with the transition incurve is formed at the position, corresponding to the transition incurve, on the outer circulator, and the transition incurve form a transition curved hole used for connecting the ball slideway and the axial through hole. This practical slider compact structure can prevent effectively that dust impurity from permeating inside the slider, and the silence is effectual.

Description

Sliding block

Technical Field

The utility model particularly relates to a slider for linear guide motion in the mechanical equipment field.

Background

The slider is indispensable in the application in mechanical equipment field, because its linear motion mode that reaches after cooperating with the guide rail, plays decisive effect in the machining process.

In the prior art, the sliding block generally comprises a sliding block main body, and an inner circulator, an outer circulator, an oil scraping sheet and a fixing plate which are arranged on the end faces of two axial sides of the sliding block main body, wherein the inner circulator is of a plate-type structure and forms a close fit with the end face of the sliding block main body in the axial direction, so that when the sliding block of the utility model is used on a guide rail, impurities such as dust and the like are easily caused to permeate into a slide way or a slide hole, and the reliability and the accuracy of machining precision during the linear motion of the sliding block are caused, in addition, in the prior art, because the two transverse sides of the sliding block main body are respectively provided with axial through holes for ball motion, and a transition bent hole formed by the inner circulator and the outer circulator is only matched and butted with the aperture of the axial through hole in the aperture, therefore, the ball inside the sliding block of the structure directly rolls in the axial through hole, the main body of the sliding block is of a metal structure, so that when the sliding block runs on a guide rail of mechanical equipment and the like, the noise generated during rolling is relatively high. Based on the defects, the utility model discloses slider among the prior art has carried out corresponding improvement.

Disclosure of Invention

An object of the utility model is to provide a simple structure, and can effectively prevent impurity infiltration such as dust and possess the slider of certain silence effect.

In order to achieve the purpose, the utility model adopts a slide block, which comprises a slide block main body, wherein an axial through groove for adapting to a guide rail is arranged on the slide block main body, and two side surfaces of the axial through groove are provided with ball slide ways extending axially; the sliding block main body is provided with sliding block side columns at two sides of the axial through groove, axial through holes parallel to the ball slide ways are formed in the sliding block side columns, the two axial ends of the sliding block main body are sequentially provided with an outer circulator and an oil scraping sheet, and the outer circulator and the end faces of the two axial ends of the sliding block main body are in close fit; the slider further comprises an internal circulator: the transition outer bend matched with the transition inner bend is formed at the position, corresponding to the transition inner bend, on the outer circulator, and the transition inner bend and the transition outer bend form a transition bent hole used for connecting the ball slide way and the axial through hole.

The utility model discloses in, through with the inner loop embedded between the axial terminal surface of outer circulator and slider main part for the inner loop realizes hiding completely inside the axial terminal surface of outer circulator and slider main part, directly forms the adjacent cooperation of subsides by the axial terminal surface of outer circulator and slider main part, and impurity such as outside dust has avoided the slider when the operation sees through clearance infiltration between inner loop and the slider main part axial terminal surface and has advanced in ball slide and the axial through-hole, has effectively improved the barrier propterty of slider, and has promoted the life of slider indirectly.

The utility model discloses in, on the inner circulator, with the corresponding position of axial through hole forms axial extension and adaptation in axial through hole's axial post, set up on the axial post have with the ball slide opening of transition curved hole intercommunication, the axial post at slider main part axial both ends is in form the cooperation of axle center dock in the axial through hole, the aforesaid further improvement to the inner circulator for inside ball of slider is after ball slide and the transition curved hole, directly gets into the ball slide opening, and then forms the circulation reciprocating motion of ball, has avoided the ball among the prior art to carry out reciprocating motion's structure via ball slide, the curved hole of transition and axial through hole, in addition, because the inner circulator adopts plastics system structure, makes the motion of ball in the ball slide opening realize effectual noise reduction effect.

The utility model discloses in, for the convenience of the staff assembles, on the terminal surface at slider side post axial both ends, be located axial positioning hole has been seted up to position between axial through hole and the ball slide, on the inner circulator, with the corresponding position of axial positioning hole form the adaptation in axial positioning hole's reference column.

As a further improvement, the outer circulator is last with the position that the axial through-hole is corresponding forms the axial and extends into arc wall in the axial through-hole, on the axial post, with the position that the arc wall corresponds forms the breach, this breach with arc wall adaptation, when this kind of structure makes butt joint between outer circulator and the inner loop ware, realized simple and convenient grafting structure, carry out this kind of split structure through the hookup location to between transition curved hole and the axial post simultaneously, the mould design and the manufacturing of outer circulator and inner loop ware of also being convenient for have reduced the drawing of patterns degree of difficulty that causes because of the space bending part of cambered surface type structure.

In the utility model, in order to ensure that the structure is more stable and reliable when the outer circulator and the inner circulator are butt-jointed and installed, the upper end and the lower end of the transition inner bend are respectively provided with a positioning platform, and a convex locking block is formed on the positioning platform; specifically, the locking block is upward, towards one side formation inclined plane formula guide part of outer circulator, when directly inserting outer circulator on the axial direction the axial terminal surface of slider main part, inclined plane formula guide part has played certain guide effect to through the little deformability of inner circulator and outer circulator plastics system itself, make its assembly structure more reliable and stable fastening.

Drawings

FIG. 1 is a perspective view of a prior art slider;

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is a perspective view of the slider of the present invention;

FIG. 4 is an exploded schematic view of FIG. 3;

FIG. 5 is a schematic perspective view of the internal and middle circulators of the present invention;

fig. 6 is a schematic perspective view of the slider body according to the present invention;

Detailed Description

Fig. 1 to 6 show that the present embodiment adopts a slider, and as can be seen from fig. 6, the slider of the present embodiment includes a slider main body 1, an axial through groove 10 for adapting to a guide rail is opened on the slider main body 1, and two side surfaces of the axial through groove 10 form an axially extending ball slide 100; a slider side column 11 is formed on the slider main body 1 and located on two sides of the axial through groove 10, an axial through hole 110 parallel to the ball slideway 100 is formed on the slider side column 11, as is apparent from fig. 3 and fig. 4, an outer circulator 2, an oil scraping sheet 3 and a fixing plate 4 are sequentially arranged on two axial ends of the slider main body 1, and the outer circulator 2 and the end face of the two axial ends of the slider main body 1 are in close fit; as further shown in fig. 4, in this embodiment, the slider further includes an internal circulator 5: as can be seen from fig. 4, the inner circulator 5 is embedded between the outer circulator 2 and the slider body 1, and has a transition inner bend 50, a transition outer bend 20 adapted to the transition inner bend 50 is formed on the outer circulator 2 at a position corresponding to the transition inner bend 50, and the transition inner bend 50 and the transition outer bend 20 form a transition bend hole 520 for connecting the ball ramp 100 and the axial through hole 110.

Obviously, the inner circulator 5 is embedded between the outer circulator 2 and the axial end face of the slider body 1, so that the inner circulator 5 is completely hidden inside the axial end faces of the outer circulator 2 and the slider body 1, and the outer circulator 2 and the axial end face of the slider body 1 are directly in close fit, thereby preventing impurities such as external dust and the like from permeating into the ball slideway 100 and the axial through hole 110 through a gap between the inner circulator 5 and the axial end face of the slider body 1 during the operation of the slider, effectively improving the protection performance of the slider, and indirectly prolonging the service life of the slider.

In this embodiment, as can be seen from fig. 4 and fig. 5, the axial post 53 extending axially and adapted to the axial through hole 110 is formed on the inner circulator 5 at a position corresponding to the axial through hole 110, and the ball slide hole 500 communicating with the transition curved hole 520 is formed on the axial post 53, in this embodiment, the axial posts 53 at both axial ends of the slider body 1 form coaxial butt-joint fit in the axial through hole 110, and as can be seen, in this embodiment, the inner circulator 5 is further improved, so that the balls inside the slider directly enter the ball slide hole 500 after passing through the ball slide 100 and the transition curved hole 520, and further form the circular reciprocating motion of the balls, thereby avoiding the structure of the ball slide 100, the transition curved hole 520 and the axial through hole 110 performing the reciprocating motion in the prior art, and in addition, because the inner circulator 5 is made of plastic, so that the motion of the ball in the ball slide hole 500 realizes the effect of effectively reducing sound.

In this embodiment, in order to facilitate the assembly by the worker, axial positioning holes 111 are formed in the end surfaces of the two axial ends of the slider side post 11 and located between the axial through hole 110 and the ball slideway 100, and a positioning post 51 adapted to the axial positioning hole 111 is formed in the inner circulator 5 at a position corresponding to the axial positioning hole 111.

In this embodiment, as further shown in fig. 4, the outer circulator 2 forms an arc-shaped wall 21 extending axially into the axial through hole 110 at a position corresponding to the axial through hole 110, the axial column 53 forms a notch 530 at a position corresponding to the arc-shaped wall 21, and the notch 530 is adapted to the arc-shaped wall 21, such a structure enables a simple insertion structure to be realized when the outer circulator 2 and the inner circulator 5 are assembled, and simultaneously, by performing such a structure that the transition curved hole 520 and the axial column 53 are separated, the mold design and manufacture of the outer circulator 2 and the inner circulator 5 are facilitated, and the difficulty in demolding caused by the space curved portion of the arc-surface structure is reduced.

In this embodiment, in order to make the structure of the external circulator 2 more stable and reliable when the external circulator 5 is butt-jointed with the internal circulator 2, positioning platforms 503 are respectively formed at the upper and lower ends of the transition inner bend 50, and a raised locking block 504 is formed on the positioning platforms 503; specifically, the locking block 504 is provided with a ramp-type guide 5040 facing one side of the outer circulator 2, and when the outer circulator 2 is directly inserted into the axial end face of the slider body 1 in the axial direction, the ramp-type guide 5040 plays a certain role in guiding, and the assembly structure is more stably and reliably fastened through the plastic micro-deformation capacity of the inner circulator 5 and the outer circulator 2.

As is apparent from the above description of the technical solutions of the present embodiment, comparing with the prior art solutions shown in fig. 1 and 2, the biggest improvement point of the slider of the present embodiment is to design the inner circulator 5 as the irregular structure shown in fig. 5 from the original plate-type structure (i.e. the two axial sides of the inner circulator 5 shown in fig. 1 and 2 are respectively disposed in close proximity to the axial end surfaces of the outer circulator 2 and the slider body 1), which is disposed between the axial end surfaces of the outer circulator 2 and the slider body 1 and hidden therein, so as to prevent impurities such as dust from falling into the ball sliding hole 500, and meanwhile, since the axial posts 53 are disposed in the axial through hole 110 in a butt-joint manner, the balls directly enter the ball sliding hole 500 after passing through the transition curved hole 520 by the ball slideway 100, while the plastic inner circulator 5 has a good noise reduction effect on the rolling of the balls, the mute effect is embodied, and the beneficial effects are all that the sliding block in the prior art does not have.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and the above-described embodiments and the description only illustrate the principle of the present invention, and that there are various changes and modifications of the present invention, which are introduced by the spirit of the technical solution of the present invention and fall within the scope of the claims of the present invention. The scope of the invention is defined by the appended claims, the description, the drawings attached to the description and their equivalents.

Claims

1. The sliding block comprises a sliding block main body, wherein an axial through groove for adapting to the guide rail is formed in the sliding block main body, and two side faces of the axial through groove form an axially extending ball slideway; the slider main part is last, be located the both sides that the groove was led to the axial form the slider side post, seted up on the slider side post with the parallel axial through-hole of ball slide, extrinsic circulator and frizing piece, its characterized in that have been installed in proper order at the axial both ends of slider main part:

the outer circulator and the end faces of the two axial ends of the sliding block main body form close fit; the slider further comprises

An internal circulator: the outer circulator is embedded between the outer circulator and the sliding block main body and is provided with a transition incurve, the transition incurve matched with the transition incurve is formed at the position, corresponding to the transition incurve, on the outer circulator, and the transition incurve form a transition curved hole used for connecting the ball slideway and the axial through hole.

2. The slider of claim 1, wherein: the inner circulator is provided with an axial through hole, the position of the inner circulator, corresponding to the axial through hole, forms axial extension and is matched with the axial column of the axial through hole, the axial column is provided with a ball sliding hole communicated with the transition bent hole, and the axial columns at the two axial ends of the sliding block main body form coaxial butt joint type matching in the axial through hole.

3. The slider of claim 2, wherein: axial positioning holes are formed in the end faces of the two axial ends of the slide block side column and located between the axial through hole and the ball slide way, and positioning columns matched with the axial positioning holes are formed in the positions, corresponding to the axial positioning holes, of the inner circulator.

4. The slider of claim 2, wherein: the outer circulator is provided with an axial through hole, the position of the outer circulator corresponding to the axial through hole forms an arc-shaped wall axially extending into the axial through hole, the position of the axial column corresponding to the arc-shaped wall forms a notch, and the notch is matched with the arc-shaped wall.

5. The slider of claim 3, wherein: the outer circulator is provided with an axial through hole, the position corresponding to the axial through hole on the outer circulator forms an arc-shaped wall axially extending into the axial through hole, the position corresponding to the arc-shaped wall on the axial column forms a notch, and the notch is matched with the arc-shaped wall.

6. The slider of claim 1 or 2, wherein: the upper end and the lower end of the transition inner bend form a positioning platform respectively, and a convex locking block is formed on the positioning platform.

7. The slider of claim 6, wherein: and an inclined plane type guide part is formed on the locking block and towards one side of the outer circulator.

8. The slider of claim 3, wherein: the upper end and the lower end of the transition inner bend form a positioning platform respectively, and a raised locking block is formed on the positioning platform.

9. The slider of claim 8, wherein: and an inclined plane type guide part is formed on the locking block and towards one side of the outer circulator.

10. The slider of claim 5, wherein: the upper end and the lower end of the transition inner bend form a positioning platform respectively, a convex locking block is formed on the positioning platform, and an inclined plane type guide part is formed on the locking block and towards one side of the outer circulator.